diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorIndexList.h b/unsupported/Eigen/CXX11/src/Tensor/TensorIndexList.h
index f2f7976..65d69c3 100644
--- a/unsupported/Eigen/CXX11/src/Tensor/TensorIndexList.h
+++ b/unsupported/Eigen/CXX11/src/Tensor/TensorIndexList.h
@@ -470,7 +470,7 @@
 template <typename FirstType, typename... OtherTypes>
 struct index_statically_eq_impl<IndexList<FirstType, OtherTypes...> > {
   EIGEN_DEVICE_FUNC static constexpr bool run(const Index i, const Index value) {
-    return IndexList<FirstType, OtherTypes...>().value_known_statically(i) &
+    return IndexList<FirstType, OtherTypes...>().value_known_statically(i) &&
         (IndexList<FirstType, OtherTypes...>().get(i) == value);
   }
 };
@@ -478,7 +478,7 @@
 template <typename FirstType, typename... OtherTypes>
 struct index_statically_eq_impl<const IndexList<FirstType, OtherTypes...> > {
   EIGEN_DEVICE_FUNC static constexpr bool run(const Index i, const Index value) {
-    return IndexList<FirstType, OtherTypes...>().value_known_statically(i) &
+    return IndexList<FirstType, OtherTypes...>().value_known_statically(i) &&
         (IndexList<FirstType, OtherTypes...>().get(i) == value);
   }
 };
@@ -494,7 +494,7 @@
 template <typename FirstType, typename... OtherTypes>
 struct index_statically_ne_impl<IndexList<FirstType, OtherTypes...> > {
   EIGEN_DEVICE_FUNC static constexpr bool run(const Index i, const Index value) {
-    return IndexList<FirstType, OtherTypes...>().value_known_statically(i) &
+    return IndexList<FirstType, OtherTypes...>().value_known_statically(i) &&
         (IndexList<FirstType, OtherTypes...>().get(i) != value);
   }
 };
@@ -502,7 +502,7 @@
 template <typename FirstType, typename... OtherTypes>
 struct index_statically_ne_impl<const IndexList<FirstType, OtherTypes...> > {
   EIGEN_DEVICE_FUNC static constexpr bool run(const Index i, const Index value) {
-    return IndexList<FirstType, OtherTypes...>().value_known_statically(i) &
+    return IndexList<FirstType, OtherTypes...>().value_known_statically(i) &&
         (IndexList<FirstType, OtherTypes...>().get(i) != value);
   }
 };
@@ -518,7 +518,7 @@
 template <typename FirstType, typename... OtherTypes>
 struct index_statically_gt_impl<IndexList<FirstType, OtherTypes...> > {
   EIGEN_DEVICE_FUNC static constexpr bool run(const Index i, const Index value) {
-    return IndexList<FirstType, OtherTypes...>().value_known_statically(i) &
+    return IndexList<FirstType, OtherTypes...>().value_known_statically(i) &&
         (IndexList<FirstType, OtherTypes...>().get(i) > value);
   }
 };
@@ -526,7 +526,7 @@
 template <typename FirstType, typename... OtherTypes>
 struct index_statically_gt_impl<const IndexList<FirstType, OtherTypes...> > {
   EIGEN_DEVICE_FUNC static constexpr bool run(const Index i, const Index value) {
-    return IndexList<FirstType, OtherTypes...>().value_known_statically(i) &
+    return IndexList<FirstType, OtherTypes...>().value_known_statically(i) &&
         (IndexList<FirstType, OtherTypes...>().get(i) > value);
   }
 };
@@ -543,7 +543,7 @@
 template <typename FirstType, typename... OtherTypes>
 struct index_statically_lt_impl<IndexList<FirstType, OtherTypes...> > {
   EIGEN_DEVICE_FUNC static constexpr bool run(const Index i, const Index value) {
-    return IndexList<FirstType, OtherTypes...>().value_known_statically(i) &
+    return IndexList<FirstType, OtherTypes...>().value_known_statically(i) &&
         (IndexList<FirstType, OtherTypes...>().get(i) < value);
   }
 };
@@ -551,7 +551,7 @@
 template <typename FirstType, typename... OtherTypes>
 struct index_statically_lt_impl<const IndexList<FirstType, OtherTypes...> > {
   EIGEN_DEVICE_FUNC static constexpr bool run(const Index i, const Index value) {
-    return IndexList<FirstType, OtherTypes...>().value_known_statically(i) &
+    return IndexList<FirstType, OtherTypes...>().value_known_statically(i) &&
         (IndexList<FirstType, OtherTypes...>().get(i) < value);
   }
 };
@@ -568,7 +568,7 @@
 template <typename FirstType, typename... OtherTypes>
 struct index_pair_first_statically_eq_impl<IndexPairList<FirstType, OtherTypes...> > {
   EIGEN_DEVICE_FUNC static constexpr bool run(const Index i, const Index value) {
-    return IndexPairList<FirstType, OtherTypes...>().value_known_statically(i) &
+    return IndexPairList<FirstType, OtherTypes...>().value_known_statically(i) &&
         (IndexPairList<FirstType, OtherTypes...>().operator[](i).first == value);
   }
 };
@@ -576,7 +576,7 @@
 template <typename FirstType, typename... OtherTypes>
 struct index_pair_first_statically_eq_impl<const IndexPairList<FirstType, OtherTypes...> > {
   EIGEN_DEVICE_FUNC static constexpr bool run(const Index i, const Index value) {
-    return IndexPairList<FirstType, OtherTypes...>().value_known_statically(i) &
+    return IndexPairList<FirstType, OtherTypes...>().value_known_statically(i) &&
         (IndexPairList<FirstType, OtherTypes...>().operator[](i).first == value);
   }
 };
@@ -593,7 +593,7 @@
 template <typename FirstType, typename... OtherTypes>
 struct index_pair_second_statically_eq_impl<IndexPairList<FirstType, OtherTypes...> > {
   EIGEN_DEVICE_FUNC static constexpr bool run(const Index i, const Index value) {
-    return IndexPairList<FirstType, OtherTypes...>().value_known_statically(i) &
+    return IndexPairList<FirstType, OtherTypes...>().value_known_statically(i) &&
         (IndexPairList<FirstType, OtherTypes...>().operator[](i).second == value);
   }
 };
@@ -601,7 +601,7 @@
 template <typename FirstType, typename... OtherTypes>
 struct index_pair_second_statically_eq_impl<const IndexPairList<FirstType, OtherTypes...> > {
   EIGEN_DEVICE_FUNC static constexpr bool run(const Index i, const Index value) {
-    return IndexPairList<FirstType, OtherTypes...>().value_known_statically(i) &
+    return IndexPairList<FirstType, OtherTypes...>().value_known_statically(i) &&
         (IndexPairList<FirstType, OtherTypes...>().operator[](i).second == value);
   }
 };